相关实验视频
Updated: Sep 18, 2025
06:47
Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
Published on: January 28, 2021
11.5K
脂蛋白X - 病理生理学,诊断和管理
Dinesh K Kalra1, Matthew Shotwell1, Abhimanyu Garg2
1Cardiovascular Prevention Program, Division of Cardiology, University of Louisville, Louisville, KY, USA (Drs Kalra and Shotwell).
Journal of clinical lipidology
|June 24, 2025
概括
脂蛋白X (LpX) 是一种异常的脂蛋白,导致LDL-C水平虚假升高,并且不能通过标准脂质面板检测到. 诊断需要特定的测试,治疗侧重于潜在的疾病,而不是降脂药物.
科学领域:
- 脂质学 脂质学是指脂质学.
- 临床生物化学 临床生物化学
- 病理生理学 病理生理学
背景情况:
- 脂蛋白X (LpX) 是20世纪60年代发现的一种异常脂蛋白,其特点是其独特的组成,包括白蛋白,自由胆固醇 (FC) 和脂.
- 与典型的脂蛋白不同,LpX不是通过调节的途径产生,而是存在于诸如胆固醇性疾病和LCAT缺乏症等疾病中.
研究的目的:
- 审查生物,病原,临床特征,诊断和管理升高的脂蛋白X (LpX) 水平.
- 为了突出LpX所带来的诊断挑战,因为它与标准脂质面板的干扰.
主要方法:
- 对Lipoprotein X (LpX) 的现有文献的审查.
- 对LpX的生物化学特性,诊断方法和临床影响的分析.
- 讨论与升高的LpX相关的疾病的治疗策略.
主要成果:
- 在标准的脂质面板上,升高的LpX水平被误报为高的LDL-C,模仿家族性高胆固醇血症.
- 需要特定的实验室测试,如阿波利波蛋白B,NMR光谱或FC测量,以准确的LpX诊断.
- LpX与高粘度综合征和桑托马托सिस有关,而不是动脉样硬化.
结论:
- 脂蛋白X (LpX) 需要特定的诊断方法,而不仅仅是标准的脂质面板.
- 升高LpX的治疗侧重于潜在的疾病,因为传统的降脂疗法是无效的.
- 在差异诊断中早期考虑LpX可以防止误解脂质资料和不适当的治疗.
相关概念视频
01:26Atherosclerosis III: Management
42
Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
42
01:24Overview of Lipid Metabolism
2.6K
Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
2.6K
01:20Lipid-Lowering Drugs: Statins and Miscellaneous Agents
890
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
890
01:31Lipid-derived Compounds in the Human Body
5.4K
Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various biological processes .
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
Fat-soluble Vitamins
Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin,...
5.4K
01:25Blood Studies for Cardiovascular System III: Serum Lipid Profile
298
Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
298
01:30Atherosclerosis I: Introduction
93
Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
93